{ "id": "2007.05074", "version": "v1", "published": "2020-07-09T21:26:09.000Z", "updated": "2020-07-09T21:26:09.000Z", "title": "Learning dynamical systems from data: a simple cross-validation perspective", "authors": [ "Boumediene Hamzi", "Houman Owhadi" ], "comment": "File uploaded on arxiv on Sunday, July 5th, 2020. Got delayed due to tex problems on ArXiv. Original version at https://www.researchgate.net/publication/342693818_Learning_dynamical_systems_from_data_a_simple_cross-validation_perspective", "doi": "10.13140/RG.2.2.24823.44964", "categories": [ "cs.LG", "math.DS", "nlin.CD", "stat.CO", "stat.ML" ], "abstract": "Regressing the vector field of a dynamical system from a finite number of observed states is a natural way to learn surrogate models for such systems. We present variants of cross-validation (Kernel Flows \\cite{Owhadi19} and its variants based on Maximum Mean Discrepancy and Lyapunov exponents) as simple approaches for learning the kernel used in these emulators.", "revisions": [ { "version": "v1", "updated": "2020-07-09T21:26:09.000Z" } ], "analyses": { "keywords": [ "learning dynamical systems", "simple cross-validation perspective", "learn surrogate models", "maximum mean discrepancy", "finite number" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }